var notices = [];
loadData();

function showData(arr){
    list_div.innerHTML = "";
    if(arr.length==0){
        list_div.innerHTML = "暂无数据";
        return;
    }
    var allhtml = "";
    allhtml += "<table cellpadding='0' cellspacing='0'" +
        "width='100%'><tr class='theader'>" +
        "<th>通知内容</th><th>通知时间</th>" +
        "<th>操作</th></tr>";
    for(var i=arr.length-1;i>=0;i--){
        var a = arr[i];
        allhtml +=
            "<tr class='list'>" +
            "<td class='ntitle'>"+a.title+"</td>" +
            "<td class='ntitle'>"+a.time+"</td>" +
            "<td>" +
            "<a class='del_a' onclick='del("+a.id+")' href='javascript:;'>删除</a></td>" +
            "</tr>";
    }
    allhtml += "</table>";
    list_div.innerHTML = allhtml;
}

function search(){
    loadData({title:stitle.value});
}

function loadData(data) {
    list_div.innerHTML = "";
    loading.style.display = "block";
    ajax("/find_all_notice", data, function (data) {
        datas = data;
        showData(datas);
        loading.style.display = "none";
    });


}

function save(){
    var req = new XMLHttpRequest();
    req.open("post","/add_notice");
    req.setRequestHeader("content-Type","application/json;charset=utf-8");
    var data = {
        title:title.value,
        content:content.innerHTML,
        type:type.value
    }
    req.send(JSON.stringify(data));
    req.onreadystatechange = function(){
        if(req.readyState==4&&req.status==200){
            if(req.responseText.trim()=="1"){
                alert("新增成功！");
            }

            loadData();
            add_div.style.display = "none";
            list_div.style.display = "block";
            save_btn.style.display = "none";
            add_btn.style.display = "block";
        }
    }
}

function add(){
    add_div.style.display = "block";
    list_div.style.display = "none";
    save_btn.style.display = "block";
    add_btn.style.display = "none";
}
function del(id) {
    if (!confirm("您确定要删除这个数据吗？")) {
        return;
    }
    ajax("/del_notice", {id: id}, function (data) {
        alert("删除成功！");
        loadData();
    });
}